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Related papers: Quarkonium production via recombination

200 papers

We investigate strange quark production in Au-Au collisions at RHIC in the framework of the Parton Cascade Model(PCM). The yields of (anti-) strange quarks for three production scenarios -- primary-primary scattering, full scattering, and…

Nuclear Theory · Physics 2009-11-10 Daphne Y. Chang , Steffen A. Bass , Dinesh K. Srivastava

After achieving a successful description of charmonia production in proton-proton (pp) collisions within Non-Relativistic Quantum Chromodynamics (NRQCD) and modified NRQCD (MNRQCD) frameworks, we now extend our study to proton-lead (p-Pb)…

High Energy Physics - Phenomenology · Physics 2025-08-28 Sudhansu S. Biswal , Sushree S. Mishra , Monalisa Mohanty , K. Sridhar

The problem of forward production of hadrons in heavy-ion collision at RHIC is revisited with modification of the theoretical treatment on the one hand and with the use of new data on the other. The basic formalism for hadronization remains…

Nuclear Theory · Physics 2008-11-26 Rudolph C. Hwa , Li-Lin Zhu

The photonuclear production of vector mesons in ultraperipheral heavy ion collisions is investigated within the collinear approach using different parameterizations for the nuclear gluon distribution. The integrated cross section and the…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. L. Ayala Filho , V. P. Goncalves , M. T. Griep

The production of charmonia in relativistic heavy-ion collisions is formulated within the framework of a quantum kinetic theory simultaneously accounting for breakup and recombination processes. The survival probability of J/Psi mesons is…

High Energy Physics - Phenomenology · Physics 2009-11-11 D. Blaschke , V. L. Yudichev

The production of a quarkonium -- pair in exclusive and diffractive processes in $pp$ collisions at the LHC and FCC energies is investigated. We consider the $J/\Psi J/\Psi$ and $\Upsilon \Upsilon$ production in these processes and present…

High Energy Physics - Phenomenology · Physics 2020-02-26 V. P. Goncalves , R. Palota da Silva

The newly proposed combinational approach, called the grand combinational model (GCM), as would be described in detail in the text, is still under our careful scrutiny. By applying it, we have attempted to analyze here the characteristics…

High Energy Physics - Phenomenology · Physics 2007-05-23 Bhaskar De , S. Bhattacharyya

ALICE has measured quarkonium production in p-Pb collisions at backward ($-$4.46 $<$ $y_{\rm cms}$ $<$ $-$2.96), mid ($-$1.37 $<$ $y_{\rm cms}$ $<$ 0.43) and forward (2.03 $<$ $y_{\rm cms}$ $<$ 3.53) rapidity ($y$) regions down to zero…

Nuclear Experiment · Physics 2022-10-11 Biswarup Paul

We report results on quarkonium production from the STAR experiment at the Relativistic Heavy-Ion Collider (RHIC). J/psi spectra in p+p and Cu+Cu collisions at sqrt(s) = 200 GeV with transverse momenta in the range of 0.5-14 GeV/c and 5-8…

Nuclear Experiment · Physics 2009-07-22 Zhangbu Xu , Thomas Ullrich

Charmonia with different transverse momentum $p_T$ usually comes from different mechanisms in the relativistic heavy ion collisions. This work tries to review the theoretical studies on quarkonium evolutions in the deconfined medium…

Nuclear Theory · Physics 2019-05-01 Baoyi Chen , Carsten Greiner

Hypernuclei are bound states of nuclei with one or more hyperons. Precise measurements of hypernuclei properties and their production yields in heavy ion collisions are crucial for the understanding of their production mechanisms. The…

Nuclear Experiment · Physics 2026-05-05 Yuanjing Ji

We summarize the theoretical description of charmonium and bottonium production in hadronic collisions and compare it to the available data from hadron-nucleon interactions. With the parameters of the theory established by these data, we…

High Energy Physics - Phenomenology · Physics 2014-11-17 R. Gavai , D. Kharzeev , H. Satz , G. A. Schuler , K. Sridhar , R. Vogt

Recent results on high transverse momentum (pT) hadron production in p+p, d+Au and Au+Au collisions at the Relativistic Heavy Ion Collider (RHIC) are reviewed. Comparison of the nuclear modification factors, $R_{dAu}(pT)$ and $R_{AA}(pT)$,…

Nuclear Experiment · Physics 2009-11-10 J. L. Klay

Proton production in the intermediate p_T region in d+Au collisions is studied in the parton recombination model. The recombination of soft and shower partons is shown to be important in central collisions, but negligible in peripheral…

Nuclear Theory · Physics 2009-11-10 Rudolph C. Hwa , C. B. Yang

Heavy ion collisions at RHIC energies (Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV) exhibit significant new features as compared to earlier experiments at lower energies. The reaction is characterized by a high degree of transparency of the…

Nuclear Experiment · Physics 2015-06-26 Jens Jorgen Gaardhoje

The study of quarkonium production in relativistic heavy ion collisions provides insight into the properties of the produced medium. The lattice studies show a sequential suppression of quarkonia states when compared to normal nuclear…

Nuclear Experiment · Physics 2019-08-13 Debasish Das

Several fixed-target experiments reported J/$\psi$ and $\Upsilon$ polarization measurements, as functions of Feynman $x$ ($x_{\rm F}$) and transverse momentum ($p_{\rm T}$), in three different polarization frames, using different…

High Energy Physics - Phenomenology · Physics 2022-10-19 Pietro Faccioli , Ilse Krätschmer , Carlos Lourenço

In this paper we study the inclusive and diffractive double quarkonium production. Based on the nonrelativistic QCD (NRQCD) factorization formalism for the quarkonium production mechanism we estimate the rapidity and transverse momentum…

High Energy Physics - Phenomenology · Physics 2018-06-12 C. Brenner Mariotto , V. P. Goncalves , R. Palota da Silva

We get the distributions of shower partons initiated by heavy quarks $c$ and $b$ by studying the fragmentation functions in the framework of the recombination model. The transverse momentum spectra of heavy flavored mesons are predicted…

High Energy Physics - Phenomenology · Physics 2011-06-13 R Peng , C B Yang

We report new quarkonia measurements necessary to understand production mechanisms and cold nuclear matter effects in the yields observed at RHIC energy. Results obtained in p+p collisions collected during the 2006 RHIC Run include J/psi,…

Nuclear Experiment · Physics 2009-11-18 Cesar Luiz da Silva